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| Number | Title | Issue Date |
| 7372176 | Bulkhead flatwire integration units The electronic system generally includes an electronic panel having circuitry plated on a surface thereof as well as electronic components attached thereto. The circuitry connects the electronic components for operation of the electronic device in the engine compart... | 05/13/2008 |
| 5678527 | Induction and charge forming system for gaseous fueled engine An improved, compact multiple barrel charge forming device for operating with gaseous fuels and which employs a single fuel chamber for supplying fuel to both barrels. A number of various manifolding arrangements are disclosed to facilitate application wi... | 10/21/1997 |
| 5575266 | Method of operating gaseous fueled engine A gaseous fueled engine and method for controlling the gaseous fuel supply using a feedback control to maintain a stoichiometric mixture under all normal running conditions. The feedback control is discontinued under certain running conditions and control... | 11/19/1996 |
| 5542405 | Membrane carburetor The invention relates to a membrane carburetor for an engine of a motor-driven chain saw. The membrane carburetor has a fuel-filled control chamber delimited by a control membrane. A throttle flap is mounted in an intake channel and a main nozzle opens in... | 08/06/1996 |
| 4512312 | Variable venturi-type carburetor A variable venturi-type carburetor comprising a metering jet and at least one air-bleed bore formed on the cylindrical inner wall of the metering jet. The amount of air fed into the fuel passage of the carburetor from the air-bleed bore is controlled by a... | 04/23/1985 |
| 4387685 | Fluidic control system including variable venturi A fluidic control system provided with a variable Venturi structure whose movable element is automatically shifted as a function of the mass-volume of fluids passing through the structure to produce an output which depends on the adjusted position of the ... | 06/14/1983 |
| 4376430 | Air-fuel mixture ratio control device An air-fuel ratio control device for controlling the air-fuel ratio of a mixture to be supplied into an internal combustion engine. The device has a control circuit adapted to produce, in accordance with the offset of the output of an oxygen sensor in the... | 03/15/1983 |
| 4341190 | Air-fuel ratio control device of an internal combustion engine An air-fuel ratio control device of an internal combustion engine having a carburetor. An air bleed passage is connected to a fuel outflow passage of the carburetor, and an electromagnetic control valve is arranged in the air bleed passage. The control va... | 07/27/1982 |
| 4308835 | Closed-loop fluidic control system for internal combustion engines A closed-loop fluidic control servo system for a vehicle having an internal combustion engine provided with a variable Venturi carburetor having an axially-shiftable spool operated by a vacuum motor. The system acts automatically through the motor to main... | 01/05/1982 |
| 4250856 | Fuel-air ratio automatic control system using variable venturi structure An automatic control system for supplying a fuel-air mixture to an internal combustion engine through a Venturi structure conducting throttle-controlled incoming air to the intake manifold of the engine. Coaxially disposed in the casing of the structure i... | 02/17/1981 |
| 4187805 | Fuel-air ratio controlled carburetion system An automatic control system for supplying a fuel-air mixture to an internal combustion engine including a variable-Venturi carburetor. Air is fed into the input of the Venturi, the air passing through the throat thereof whose effective area is adjusted by... | 02/12/1980 |
| 4144855 | Device for controlling the air-fuel ratio of a mixture A device for controlling the air-fuel ratio of the mixture supplied to an internal combustion engine having a Venturi-type carburetor is disclosed. The device comprises a sensor for detecting the concentration of oxygen contained in the exhaust gas, an el... | 03/20/1979 |
| 4111169 | Spark ignition internal combustion engines An oxygen sensor is fitted to the exhaust pipe of a spark ignition internal combustion engine so that it projects into the exhaust gas stream. Its output is connected to a comparator circuit which has its output connected to the actuator of a variable air... | 09/05/1978 |
| 4091781 | Air-fuel ratio control system in an internal combustion engine An air-fuel ratio control system in a twin carburetor type of an internal combustion engine comprising two SU carburetors each provided with an air-bleed passage opening into a main nozzle of said carburetor, a quantity of the bled air being regulated by ... | 05/30/1978 |
| 4089311 | Fuel supply system for internal combustion engines A fuel supply system for internal combustion engines includes a fuel reservoir adjacent the induction manifold from which fuel is aspirated depending on pressure differences in two separate regions of the manifold. An electric controller reacts to engine rpm a... | 05/16/1978 |
| 4084562 | Fuel metering device A fuel metering device for low fuel feed pressures is described which is adapted for use in an externally ignited internal combustion engine of the air/fuel mixture-compressing type having an air-intake suction tube, and which comprises (a) conduit means ... | 04/18/1978 |
| 4083338 | Apparatus for controlling the fuel-air mixture of an internal combustion engine The induction manifold of an internal combustion engine is provided with an air bypass conduit which has an air flow metering valve which is controlled by the same differential pressure experienced by the air responsive element of the carburetor in the in... | 04/11/1978 |
| 4079713 | Refinements to constant depression carburettors In a carburettor, the dosing needle for regulating the fuel flow is connected to a second movable element, such as a membrane or piston, the second movable element being movable relative to a first movable element, one side of the second movable element b... | 03/21/1978 |
| 4007720 | Fuel metering system for internal combustion engines A fuel metering system for an internal combustion engine meters out fuel in dependence on the pressure in a fuel supply container. This pressure is controlled by a valve or valves which provide communication with different regions of the induction tube of... | 02/15/1977 |
| 3974813 | Fuel metering system for internal combustion engines A fuel-metering system adapted for attachment to an air-intake suction tube, having a throttle passage therein, of an internal combustion engine having an exhaust for waste gases, which system comprises: A. a fuel reservoir having an airspace above the fuel th... | 08/17/1976 |
